1FCE

PROCESSIVE ENDOCELLULASE CELF OF CLOSTRIDIUM CELLULOLYTICUM

• PDB DOI: https://doi.org/10.2210/pdb1FCE/pdb

• Classification: CELLULASE DEGRADATION
• Organism(s): Ruminiclostridium cellulolyticum
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 1998-07-06 Released: 1999-07-22 
• Deposition Author(s): Parsiegla, G., Juy, M., Haser, R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.210 
• R-Value Work: 0.165 
• R-Value Observed: 0.165 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 72.3 kDa 
• Atom Count: 5,442 
• Modelled Residue Count: 629 
• Deposited Residue Count: 629 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CELLULASE CELF	A	629	Ruminiclostridium cellulolyticum	Mutation(s): 0  EC: 3.2.1.4
UniProt
Find proteins for P37698 (Ruminiclostridium cellulolyticum (strain ATCC 35319 / DSM 5812 / JCM 6584 / H10)) Explore P37698  Go to UniProtKB:  P37698

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-4-thio-beta-D-glucopyranose-(1-4)-methyl beta-D-glucopyranoside	B, C	4	N/A	N/A
Glycosylation Resources
GlyTouCan:  G15263TL GlyCosmos:  G15263TL

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	D [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.210 
• R-Value Work: 0.165 
• R-Value Observed: 0.165 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.45	α = 90
b = 84.54	β = 90
c = 121.94	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
CCP4	data scaling
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1999-07-22 
Deposition Author(s): Parsiegla, G., Juy, M., Haser, R.

Revision History  

• Version 1.0: 1999-07-22
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Other, Structure summary
• Version 2.1: 2024-02-07
  Changes: Data collection, Database references, Structure summary